Drop Swift 5.10

[fabianfett]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.56%. Comparing base (7a3d19d) to head (b14335c).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
Sources/PostgresNIO/Pool/PostgresClient.swift	0.00%	5 Missing ⚠️
...es/PostgresNIO/Connection/PostgresConnection.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #586      +/-   ##
==========================================
+ Coverage   62.43%   62.56%   +0.12%     
==========================================
  Files         132      132              
  Lines       10476    10423      -53     
==========================================
- Hits         6541     6521      -20     
+ Misses       3935     3902      -33     

Files with missing lines	Coverage Δ
Sources/PostgresNIO/New/VariadicGenerics.swift	93.67% <ø> (ø)
...es/PostgresNIO/Connection/PostgresConnection.swift	40.58% <0.00%> (+2.14%)	⬆️
Sources/PostgresNIO/Pool/PostgresClient.swift	0.00% <0.00%> (ø)

... and 6 files with indirect coverage changes

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